--- old/src/share/vm/runtime/os.cpp	2015-06-05 16:15:25.707627810 -0400
+++ new/src/share/vm/runtime/os.cpp	2015-06-05 16:15:25.067669002 -0400
@@ -843,7 +843,7 @@
   pd_print_cpu_info(st);
 }
 
-void os::print_date_and_time(outputStream *st) {
+void os::print_date_and_time(outputStream *st, char* buf, size_t buflen) {
   const int secs_per_day  = 86400;
   const int secs_per_hour = 3600;
   const int secs_per_min  = 60;
@@ -852,6 +852,10 @@
   (void)time(&tloc);
   st->print("time: %s", ctime(&tloc));  // ctime adds newline.
 
+  struct tm* tz = localtime(&tloc);
+  ::strftime(buf, buflen, "%Z", tz);
+  st->print_cr("timezone: %s", buf);
+
   double t = os::elapsedTime();
   // NOTE: It tends to crash after a SEGV if we want to printf("%f",...) in
   //       Linux. Must be a bug in glibc ? Workaround is to round "t" to int